<ul ngbNav
    #nav="ngbNav"
    [activeId]="router.url"
    (navChange)="router.navigate([$event.nextId])"
    class="nav-tabs">
  <li ngbNavItem="/user-management/users">
    <a ngbNavLink
       i18n>Users</a>
  </li>
  <li ngbNavItem="/user-management/roles">
    <a ngbNavLink
       i18n>Roles</a>
  </li>
</ul>
